Logan Butte (UCMP V-6632) ( of the United States)

Where: Crook County, Oregon (44.2° N, 120.5° W: paleocoordinates 43.9° N, 111.5° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: John Day Formation, Arikareean (30.8 - 20.4 Ma)

Environment/lithology: terrestrial

Reposited in the UCMP

Primary reference: R. M. Hunt, Jr. 1998. Ursidae. In C. M. Janis, K. M. Scott, and L. L. Jacobs (eds.), Evolution of Tertiary Mammals of North America 1:174-195 [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 17534: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• level within standard John Day section unclear
Mammalia
 Carnivora - Ursidae
Ursavus sp. Schlosser 1899 bear
said to be new
 Carnivora - Amphicyonidae
Temnocyon altigenis2 Cope 1878 bear-dog
"from the John Day beds, Logan Butte, Crook County, Oregon, collected by Davis and Osmont, 1900"
 Ungulata - Entelodontidae
Entelodontidae indet.1 Lydekker 1883 even-toed ungulate
LACM 5414